06 Dec, 2012

5 commits


09 Nov, 2012

7 commits

  • struct s3c2410_dma_client gets defined multiple times as it is defined
    in more than one header file. Changing it at the header file level causes
    many more build breakages as they are interdependent in a complex way.
    Hence fixing this problem by using the mach version of the header file.

    Without this patch, following build error is observed:
    arch/arm/plat-samsung/include/plat/dma-pl330.h:106:27: error:
    redefinition of struct s3c2410_dma_client

    Signed-off-by: Sachin Kamat
    Signed-off-by: Herbert Xu

    Sachin Kamat
     
  • The platform_device_id table is supposed to be zero-terminated.

    Signed-off-by: Axel Lin
    Acked-by: Jamie Iles
    Acked-by: David S. Miller
    Signed-off-by: Herbert Xu

    Axel Lin
     
  • without it:
    |drivers/built-in.o:(.data+0x14588): undefined reference to `crypto_ablkcipher_type'
    |drivers/built-in.o:(.data+0x14668): undefined reference to `crypto_ablkcipher_type'

    Not sure when this broke.

    Signed-off-by: Sebastian Andrzej Siewior
    Signed-off-by: Herbert Xu

    Sebastian Andrzej Siewior
     
  • This patch adds AES-NI/AVX/x86_64 assembler implementation of Camellia block
    cipher. Implementation process data in sixteen block chunks, which are
    byte-sliced and AES SubBytes is reused for Camellia s-box with help of pre-
    and post-filtering.

    Patch has been tested with tcrypt and automated filesystem tests.

    tcrypt test results:

    Intel Core i5-2450M:

    camellia-aesni-avx vs camellia-asm-x86_64-2way:
    128bit key: (lrw:256bit) (xts:256bit)
    size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
    16B 0.98x 0.96x 0.99x 0.96x 0.96x 0.95x 0.95x 0.94x 0.97x 0.98x
    64B 0.99x 0.98x 1.00x 0.98x 0.98x 0.99x 0.98x 0.93x 0.99x 0.98x
    256B 2.28x 2.28x 1.01x 2.29x 2.25x 2.24x 1.96x 1.97x 1.91x 1.90x
    1024B 2.57x 2.56x 1.00x 2.57x 2.51x 2.53x 2.19x 2.17x 2.19x 2.22x
    8192B 2.49x 2.49x 1.00x 2.53x 2.48x 2.49x 2.17x 2.17x 2.22x 2.22x

    256bit key: (lrw:384bit) (xts:512bit)
    size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
    16B 0.97x 0.98x 0.99x 0.97x 0.97x 0.96x 0.97x 0.98x 0.98x 0.99x
    64B 1.00x 1.00x 1.01x 0.99x 0.98x 0.99x 0.99x 0.99x 0.99x 0.99x
    256B 2.37x 2.37x 1.01x 2.39x 2.35x 2.33x 2.10x 2.11x 1.99x 2.02x
    1024B 2.58x 2.60x 1.00x 2.58x 2.56x 2.56x 2.28x 2.29x 2.28x 2.29x
    8192B 2.50x 2.52x 1.00x 2.56x 2.51x 2.51x 2.24x 2.25x 2.26x 2.29x

    Signed-off-by: Jussi Kivilinna
    Acked-by: David S. Miller
    Signed-off-by: Herbert Xu

    Jussi Kivilinna
     
  • …n definitions to header file

    Prepare camellia-x86_64 functions to be reused from AVX/AESNI implementation
    module.

    Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
    Acked-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

    Jussi Kivilinna
     
  • Signed-off-by: Jussi Kivilinna
    Acked-by: David S. Miller
    Signed-off-by: Herbert Xu

    Jussi Kivilinna
     
  • clk_put(dd->aes_clk) will dereference an error-valued pointer since the
    dd->aes_clk is a ERR_PTR() value. The correct check is call clk_put()
    if !IS_ERR(dd->aes_clk).

    dpatch engine is used to auto generate this patch.
    (https://github.com/weiyj/dpatch)

    Signed-off-by: Wei Yongjun
    Signed-off-by: Herbert Xu

    Wei Yongjun
     

24 Oct, 2012

12 commits


15 Oct, 2012

10 commits

  • VMAC implementation, as it is, does not work with blocks that
    are not multiples of 128-bytes. Furthermore, this is a problem
    when using the implementation on scatterlists, even
    when the complete plain text is 128-byte multiple, as the pieces
    that get passed to vmac_update can be pretty much any size.

    I also added test cases for unaligned blocks.

    Signed-off-by: Salman Qazi
    Signed-off-by: Herbert Xu

    Salman Qazi
     
  • Convert cpu_to_be16(be16_to_cpu(E1) + E2) to use be16_add_cpu().

    dpatch engine is used to auto generate this patch.
    (https://github.com/weiyj/dpatch)

    Signed-off-by: Wei Yongjun
    Signed-off-by: Herbert Xu

    Wei Yongjun
     
  • This patch adds a test case in tcrypt to perform speed test for
    crc32c checksum calculation.

    Signed-off-by: Tim Chen
    Signed-off-by: Herbert Xu

    Tim Chen
     
  • This patch adds the crc_pcl function that calculates CRC32C checksum using the
    PCLMULQDQ instruction on processors that support this feature. This will
    provide speedup over using CRC32 instruction only.
    The usage of PCLMULQDQ necessitate the invocation of kernel_fpu_begin and
    kernel_fpu_end and incur some overhead. So the new crc_pcl function is only
    invoked for buffer size of 512 bytes or more. Larger sized
    buffers will expect to see greater speedup. This feature is best used coupled
    with eager_fpu which reduces the kernel_fpu_begin/end overhead. For
    buffer size of 1K the speedup is around 1.6x and for buffer size greater than
    4K, the speedup is around 3x compared to original implementation in crc32c-intel
    module. Test was performed on Sandy Bridge based platform with constant frequency
    set for cpu.

    A white paper detailing the algorithm can be found here:
    http://download.intel.com/design/intarch/papers/323405.pdf

    Signed-off-by: Tim Chen
    Signed-off-by: Herbert Xu

    Tim Chen
     
  • This patch renames the crc32c-intel.c file to crc32c-intel_glue.c file
    in preparation for linking with the new crc32c-pcl-intel-asm.S file,
    which contains optimized crc32c calculation based on PCLMULQDQ
    instruction.

    Signed-off-by: Tim Chen
    Signed-off-by: Herbert Xu

    Tim Chen
     
  • Linus Torvalds
     
  • Pull MIPS update from Ralf Baechle:
    "Cleanups and fixes for breakage that occured earlier during this merge
    phase. Also a few patches that didn't make the first pull request.
    Of those is the Alchemy work that merges code for many of the SOCs and
    evaluation boards thus among other code shrinkage, reduces the number
    of MIPS defconfigs by 5."

    * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (22 commits)
    MIPS: SNI: Switch RM400 serial to SCCNXP driver
    MIPS: Remove unused empty_bad_pmd_table[] declaration.
    MIPS: MT: Remove kspd.
    MIPS: Malta: Fix section mismatch.
    MIPS: asm-offset.c: Delete unused irq_cpustat_t struct offsets.
    MIPS: Alchemy: Merge PB1100/1500 support into DB1000 code.
    MIPS: Alchemy: merge PB1550 support into DB1550 code
    MIPS: Alchemy: Single kernel for DB1200/1300/1550
    MIPS: Optimize TLB refill for RI/XI configurations.
    MIPS: proc: Cleanup printing of ASEs.
    MIPS: Hardwire detection of DSP ASE Rev 2 for systems, as required.
    MIPS: Add detection of DSP ASE Revision 2.
    MIPS: Optimize pgd_init and pmd_init
    MIPS: perf: Add perf functionality for BMIPS5000
    MIPS: perf: Split the Kconfig option CONFIG_MIPS_MT_SMP
    MIPS: perf: Remove unnecessary #ifdef
    MIPS: perf: Add cpu feature bit for PCI (performance counter interrupt)
    MIPS: perf: Change the "mips_perf_event" table unsupported indicator.
    MIPS: Align swapper_pg_dir to 64K for better TLB Refill code.
    vmlinux.lds.h: Allow architectures to add sections to the front of .bss
    ...

    Linus Torvalds
     
  • Pull module signing support from Rusty Russell:
    "module signing is the highlight, but it's an all-over David Howells frenzy..."

    Hmm "Magrathea: Glacier signing key". Somebody has been reading too much HHGTTG.

    * 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (37 commits)
    X.509: Fix indefinite length element skip error handling
    X.509: Convert some printk calls to pr_devel
    asymmetric keys: fix printk format warning
    MODSIGN: Fix 32-bit overflow in X.509 certificate validity date checking
    MODSIGN: Make mrproper should remove generated files.
    MODSIGN: Use utf8 strings in signer's name in autogenerated X.509 certs
    MODSIGN: Use the same digest for the autogen key sig as for the module sig
    MODSIGN: Sign modules during the build process
    MODSIGN: Provide a script for generating a key ID from an X.509 cert
    MODSIGN: Implement module signature checking
    MODSIGN: Provide module signing public keys to the kernel
    MODSIGN: Automatically generate module signing keys if missing
    MODSIGN: Provide Kconfig options
    MODSIGN: Provide gitignore and make clean rules for extra files
    MODSIGN: Add FIPS policy
    module: signature checking hook
    X.509: Add a crypto key parser for binary (DER) X.509 certificates
    MPILIB: Provide a function to read raw data into an MPI
    X.509: Add an ASN.1 decoder
    X.509: Add simple ASN.1 grammar compiler
    ...

    Linus Torvalds
     
  • The hostprogs need access to the CONFIG_* symbols found in
    include/generated/autoconf.h. But commit abbf1590de22 ("UAPI: Partition
    the header include path sets and add uapi/ header directories") replaced
    $(LINUXINCLUDE) with $(USERINCLUDE) which doesn't contain the necessary
    include paths.

    This has the undesirable effect of breaking the EFI boot stub because
    the #ifdef CONFIG_EFI_STUB code in arch/x86/boot/tools/build.c is
    never compiled.

    It should also be noted that because $(USERINCLUDE) isn't exported by
    the top-level Makefile it's actually empty in arch/x86/boot/Makefile.

    Cc: H. Peter Anvin
    Cc: Ingo Molnar
    Acked-by: David Howells
    Signed-off-by: Matt Fleming
    Signed-off-by: Linus Torvalds

    Matt Fleming
     
  • The UAPI commits forgot to test tooling builds such as tools/perf/,
    and this fixes the fallout.

    Manual conversion.

    Signed-off-by: Ingo Molnar
    Signed-off-by: Linus Torvalds

    Ingo Molnar
     

14 Oct, 2012

6 commits

  • Pull ARM update from Russell King:
    "This is the final round of stuff for ARM, left until the end of the
    merge window to reduce the number of conflicts. This set contains the
    ARM part of David Howells UAPI changes, and a fix to the ordering of
    'select' statements in ARM Kconfig files (see the appropriate commit
    for why this happened - thanks to Andrew Morton for pointing out the
    problem.)

    I've left this as long as I dare for this window to avoid conflicts,
    and I regenerated the config patch yesterday, posting it to our
    mailing list for review and testing. I have several acks which
    include successful test reports for it.

    However, today I notice we've got new conflicts with previously unseen
    code... though that conflict should be trivial (it's my changes vs a
    one liner.)"

    * 'late-for-linus' of git://git.linaro.org/people/rmk/linux-arm:
    ARM: config: make sure that platforms are ordered by option string
    ARM: config: sort select statements alphanumerically
    UAPI: (Scripted) Disintegrate arch/arm/include/asm

    Fix up fairly conflict in arch/arm/Kconfig (the select re-organization
    vs recent addition of GENERIC_KERNEL_EXECVE)

    Linus Torvalds
     
  • Pull UAPI disintegration for include/linux/{,byteorder/}*.h from David Howells:
    "The patches contained herein do the following:

    (1) Remove kernel-only stuff in linux/ppp-comp.h from the UAPI. I checked
    this with Paul Mackerras before I created the patch and he suggested some
    extra bits to unexport.

    (2) Remove linux/blk_types.h entirely from the UAPI as none of it is userspace
    applicable, and remove from the UAPI that part of linux/fs.h that was the
    reason for linux/blk_types.h being exported in the first place. I
    discussed this with Jens Axboe before creating the patch.

    (3) The big patch of the series to disintegrate include/linux/*.h as a unit.
    This could be split up, though there would be collisions in moving stuff
    between the two Kbuild files when the parts are merged as that file is
    sorted alphabetically rather than being grouped by subsystem.

    Of this set of headers, 17 files have changed in the UAPI exported region
    since the 4th and only 8 since the 9th so there isn't much change in this
    area - as one might expect.

    It should be pretty obvious and straightforward if it does come to fixing
    up: stuff in __KERNEL__ guards stays where it is and stuff outside moves
    to the same file in the include/uapi/linux/ directory.

    If a new file appears then things get a bit more complicated as the
    "headers +=" line has to move to include/uapi/linux/Kbuild. Only one new
    file has appeared since the 9th and I judge this type of event relatively
    unlikely.

    (4) A patch to disintegrate include/linux/byteorder/*.h as a unit.

    Signed-off-by: David Howells "

    * tag 'disintegrate-main-20121013' of git://git.infradead.org/users/dhowells/linux-headers:
    UAPI: (Scripted) Disintegrate include/linux/byteorder
    UAPI: (Scripted) Disintegrate include/linux
    UAPI: Unexport linux/blk_types.h
    UAPI: Unexport part of linux/ppp-comp.h

    Linus Torvalds
     
  • Pull spi UAPI disintegration from David Howells:
    "This is to complete part of the Userspace API (UAPI) disintegration
    for which the preparatory patches were pulled recently. After these
    patches, userspace headers will be segregated into:

    include/uapi/linux/.../foo.h

    for the userspace interface stuff, and:

    include/linux/.../foo.h

    for the strictly kernel internal stuff.

    Signed-off-by: David Howells
    Acked-by: Grant Likely "

    * tag 'disintegrate-spi-20121009' of git://git.infradead.org/users/dhowells/linux-headers:
    UAPI: (Scripted) Disintegrate include/linux/spi

    Linus Torvalds
     
  • Pull OpenRISC uapi disintegration from Jonas Bonn:
    "OpenRISC UAPI disintegration work from David Howells"

    * tag 'openrisc-uapi' of git://openrisc.net/jonas/linux:
    UAPI: (Scripted) Disintegrate arch/openrisc/include/asm

    Linus Torvalds
     
  • Pull user namespace compile fixes from Eric W Biederman:
    "This tree contains three trivial fixes. One compiler warning, one
    thinko fix, and one build fix"

    * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
    btrfs: Fix compilation with user namespace support enabled
    userns: Fix posix_acl_file_xattr_userns gid conversion
    userns: Properly print bluetooth socket uids

    Linus Torvalds
     
  • Pull md updates from NeilBrown:
    - "discard" support, some dm-raid improvements and other assorted bits
    and pieces.

    * tag 'md-3.7' of git://neil.brown.name/md: (29 commits)
    md: refine reporting of resync/reshape delays.
    md/raid5: be careful not to resize_stripes too big.
    md: make sure manual changes to recovery checkpoint are saved.
    md/raid10: use correct limit variable
    md: writing to sync_action should clear the read-auto state.
    Subject: [PATCH] md:change resync_mismatches to atomic64_t to avoid races
    md/raid5: make sure to_read and to_write never go negative.
    md: When RAID5 is dirty, force reconstruct-write instead of read-modify-write.
    md/raid5: protect debug message against NULL derefernce.
    md/raid5: add some missing locking in handle_failed_stripe.
    MD: raid5 avoid unnecessary zero page for trim
    MD: raid5 trim support
    md/bitmap:Don't use IS_ERR to judge alloc_page().
    md/raid1: Don't release reference to device while handling read error.
    raid: replace list_for_each_continue_rcu with new interface
    add further __init annotations to crypto/xor.c
    DM RAID: Fix for "sync" directive ineffectiveness
    DM RAID: Fix comparison of index and quantity for "rebuild" parameter
    DM RAID: Add rebuild capability for RAID10
    DM RAID: Move 'rebuild' checking code to its own function
    ...

    Linus Torvalds